# Random Number Generator vs WaterTool

The clearest difference is ads: WaterTool at none against Random Number Generator's shown. WaterTool also leads on iOS requirement (11.0 vs 13.0). Random Number Generator's advantage is update cadence (monthly vs every 15 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Random Number Generator sells 2 in-app purchases, starting at $0.99 per month and WaterTool sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Random Number Generator ships an update monthly, WaterTool every 15 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Random Number Generator | WaterTool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (25 ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id6444014018/reviews)** | — |
| Number of ratings | **25** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 56 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHPAVDA, TOO](https://appshunter.io/developer/1779139180) | [Chai Kunnasit](https://appshunter.io/developer/666607479) |

## What reviewers say

### Random Number Generator

[App page](https://appshunter.io/ios/app/random-number-generator-rng/id6444014018)

This tool generates integers or real numbers within a specified range and quantity. It offers customizable decimal precision, generation history, and a favorites list for easy recall. The app features a user-friendly interface with light and dark theme options.

**Highlights:** Generate integers and real numbers, Customizable range and quantity, Set decimal precision, Generation history, Save to favorites, Light and dark themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Ad-Free | $0.99 | per month |
| Yearly Ad-Free | $7.99 | per year |


### WaterTool

[App page](https://appshunter.io/ios/app/watertool/id6455259867)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium-1 Month | $0.49 | per month |
| Premium-3Months | $0.99 | per 3 months |
| Premium6Months | $1.99 | per 6 months |
| Premium-1Year | $2.99 | per year |


## Frequently asked questions

### Is Random Number Generator free?

Random Number Generator is free to download, with in-app purchases available.

### Is WaterTool free?

WaterTool is free to download, with in-app purchases available.

### Do Random Number Generator or WaterTool have ads?

Random Number Generator shows ads; WaterTool does not.

### Which is updated more often, Random Number Generator or WaterTool?

Random Number Generator ships an update monthly, and WaterTool every 15 months. Most recently, Random Number Generator was updated on October 24, 2026 and WaterTool on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*